122 citations · 267 across the 9 of their papers we have counts for
10 papers
Photonic counterdiabatic quantum optimization algorithm
Pranav Chandarana, Koushik Paul, Mikel Garcia-de-Andoin +3
We propose a hybrid quantum-classical approximate optimization algorithm for photonic quantum computing, specifically tailored for addressing continuous-variable optimization probl…
Efficient broadband frequency conversion via shortcut to adiabaticity
Koushik Paul, Qian Kong, Xi Chen
The method of adiabatic frequency conversion, in analogy with the two level atomic system, has been put forward recently and verified experimentally to achieve robust frequency mix…
Digitized Adiabatic Quantum Factorization
Narendra N. Hegade, Koushik Paul, Francisco Albarrán-Arriagada +2
Quantum integer factorization is a potential quantum computing solution that may revolutionize cryptography. Nevertheless, a scalable and efficient quantum algorithm for noisy inte…
Shortcuts to Adiabaticity in Digitized Adiabatic Quantum Computing
Narendra N. Hegade, Koushik Paul, Yongcheng Ding +4
Shortcuts to adiabaticity are well-known methods for controlling the quantum dynamics beyond the adiabatic criteria, where counter-diabatic (CD) driving provides a promising means…
Smooth bang-bang shortcuts to adiabaticity for atomic transport in a moving harmonic trap
Yongcheng Ding, Tang-You Huang, Koushik Paul +2
Bang-bang control is often used to implement a minimal-time shortcut to adiabaticity for efficient transport of atoms in a moving harmonic trap. However, drastic changes of the on-…
Nonlinear compression of temporal solitons in an optical waveguide via inverse engineering
Koushik Paul, Amarendra K. Sarma
We propose a novel method based on the so-called shortcut to adiabatic passage techniques to achieve fast compression of temporal solitons in a nonlinear waveguide. We demonstrate…
Transitionless quantum driving based wireless power transfer
Koushik Paul, Amarendra K. Sarma
Shortcut to adiabaticity (STA) techniques have the potential to drive a system beyond the adiabatic limits. Here, we present a robust and efficient method for wireless power transf…
High-Fidelity Entangled Bell States via Shortcuts to Adiabaticity
Koushik Paul, Amarendra K. Sarma
We present a couple of protocols based on shortcut to adiabaticity techniques for rapid generation of robust entangled Bell states in a system of two two-state systems. Our protoco…
Efficient shortcut techniques in evanescently coupled waveguides
Koushik Paul, Amarendra K. Sarma
Shortcut to Adiabatic Passage (SHAPE) technique, in the context of coherent control of atomic systems has gained considerable attention in last few years. It is primarily because o…
Shortcut to Adiabatic Passage in a Waveguide Coupler with Allen-Eberly scheme
Koushik Paul, Amarendra K. Sarma
We propose a directional coupler exploiting the framework of adiabatic passage for two level atomic systems with configuration dependent Allen-Eberly scheme. Recently developed sho…